2 dnl configure.in -- autoconf template for nmh
10 AC_INIT(nmh, m4_normalize(m4_include([VERSION])))
11 AC_CONFIG_SRCDIR(h/nmh.h)
12 AC_CONFIG_HEADER(config.h)
16 dnl ---------------------
17 dnl define a macro or two
18 dnl ---------------------
20 AC_DEFUN(NMH_PROG_GNU_LIBTOOL, [
21 if test -n "$LIBTOOL" ; then
22 tmptest=`$LIBTOOL --version 2>&1 | grep GNU`
23 if test x"$tmptest" != x ; then
25 AC_SUBST(GNU_LIBTOOL)dnl
30 echo "configuring for AC_PACKAGE_NAME-AC_PACKAGE_VERSION"
31 AC_SUBST(VERSION,AC_PACKAGE_VERSION)dnl
33 dnl What date of nmh are we building?
34 DATE=`cat ${srcdir}/DATE`
35 echo "configuring for nmh dated $DATE"
38 dnl --------------------------
39 dnl CHECK COMMAND LINE OPTIONS
40 dnl --------------------------
42 dnl Do you want client-side support for apop?
43 AC_ARG_ENABLE(apop, AS_HELP_STRING([--enable-apop],
44 [enable client-side support for POP3 and APOP]))
45 if test x"$enable_apop" = x"yes"; then
47 [Define to compile client-side support for apop into inc and msgchk.])dnl
53 dnl Do you want to debug nmh?
55 AS_HELP_STRING([--enable-debug],[enable nmh code debugging]))
56 dnl The old redundant --enable-nmh-debug is deprecated and undocumented.
57 if test x"$enable_nmh_debug" = x"yes"; then
61 dnl Allow users to send email from addresses other than their default?
62 AC_ARG_ENABLE(masquerade,
63 AS_HELP_STRING([--enable-masquerade='draft_from mmailid username_extension'],
64 [enable up to 3 types of address masquerading]),
65 [if test x"$enable_masquerade" = x"yes"; then
66 masquerade="draft_from mmailid username_extension"
68 masquerade="$enable_masquerade"
70 masquerade="draft_from mmailid username_extension")
71 AC_SUBST(masquerade)dnl
73 dnl Do you want mhe support?
75 AS_HELP_STRING([--disable-mhe],[disable mhe support]))
77 dnl mhe support is on by default, so define it unless --disable-mhe or the
78 dnl deprecated, undocumented --disable-nmh-mhe are specified.
79 if test x"$enable_mhe" != x"no" -a x"$enable_nmh_mhe" != x"no"; then
81 [Define to compile in support for the Emacs front-end mh-e.])dnl
84 dnl Do you want client-side support for pop?
86 AS_HELP_STRING([--enable-pop], [enable client-side support for plain POP3]))
87 dnl The old redundant --enable-nmh-pop is deprecated and undocumented.
88 if test x"$enable_nmh_pop" = x"yes"; then
92 dnl Do you want to disable use of locale functions
94 [Undefine if you don't want locale features. By default this is defined.])
95 AC_ARG_ENABLE([locale],
96 AC_HELP_STRING([--disable-locale], [turn off locale features]),
97 [if test x$enableval = xyes; then
103 dnl Do you want client-side support for using SASL for authentication?
104 dnl Note that this code will be enabled for both POP and SMTP
105 AC_ARG_WITH(cyrus-sasl, AS_HELP_STRING([--with-cyrus-sasl],
106 [Enable SASL support via the Cyrus SASL library]))
107 if test x"$with_cyrus_sasl" != x -a x"$with_cyrus_sasl" != x"no"; then
108 AC_DEFINE(CYRUS_SASL, 1,
109 [Define to use the Cyrus SASL library for authentication of POP and SMTP.])dnl
110 if test x"$with_cyrus_sasl" != xyes; then
111 AC_MSG_WARN([Arguments to --with-cyrus-sasl now ignored])
112 AC_MSG_WARN([Please pass the appropriate arguments to CPPFLAGS/LDFLAGS])
119 dnl Do you want client-side support for encryption with TLS?
120 AC_ARG_WITH(tls, AS_HELP_STRING([--with-tls], [Enable TLS support]))
121 if test x"$with_tls" != x -a x"$with_tls" != x"no"; then
122 AC_DEFINE(TLS_SUPPORT, 1, [Support TLS for session encryption.])dnl
128 dnl What should be the default editor?
130 AS_HELP_STRING([--with-editor=EDITOR],[specify the default editor]))
132 if test -n "$with_editor"; then
133 editorpath="$with_editor"
136 dnl Set the backup prefix
137 AC_ARG_WITH([hash-backup],
138 AS_HELP_STRING([--with-hash-backup],[use # as the backup prefix (default: ,)]))
139 if test x"$with_hash_backup" != x -a x"$with_hash_backup" != x"no"; then
144 AC_DEFINE_UNQUOTED(BACKUP_PREFIX, "$backup_prefix",
145 [The prefix that is prepended to the name of message files when they are "removed" by rmm. This should typically be `,' or `#'.])dnl
147 dnl Do you want support for hesiod
149 AS_HELP_STRING([--with-hesiod=DIR],[specify location of Hesiod]))
150 if test x"$with_hesiod" != x -a x"$with_hesiod" != x"no"; then
151 AC_DEFINE(HESIOD,1,[Define this to compile support for using Hesiod.])dnl
154 dnl After we know if we're including apop and kpop support, do pop stuff
155 if test x"$enable_pop" = x"yes"; then
157 [Define this to compile client-side support for pop into inc and msgchk.])dnl
159 POPSED='/^%nmhbeginpop%/d;/^%nmhendpop%/d'
161 POPSED='/^%nmhbeginpop%/,/^%nmhendpop%/d'
166 dnl What method of locking to use?
168 AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
169 [specify the file locking method]))
171 if test x"$with_locking" = x"dot"; then
173 AC_DEFINE(DOT_LOCKING, 1, [Define to use dot based file locking.])dnl
174 elif test x"$with_locking" = x"flock"; then
176 AC_DEFINE(FLOCK_LOCKING, 1, [Define to use flock() based locking.])dnl
177 elif test x"$with_locking" = x"lockf"; then
179 AC_DEFINE(LOCKF_LOCKING, 1, [Define to use lockf() based locking.])dnl
180 elif test x"$with_locking" = x"fcntl"; then
182 AC_DEFINE(FCNTL_LOCKING, 1, [Define to use fnctl() based locking.])dnl
185 AC_DEFINE(DOT_LOCKING)dnl
188 dnl What method of posting should post use?
190 AS_HELP_STRING([--with-mts=@<:@smtp|sendmail@:>@],
191 [specify the default mail transport agent/service]))
193 if test x"$with_mts" = x"smtp"; then
195 elif test x"$with_mts" = x"sendmail"; then
202 dnl Both the smtp and sendmail mail transport services use the smtp code
203 AC_DEFINE(SMTPMTS, 1,
204 [Define if you want SMTP (simple mail transport protocol) support.])dnl
206 dnl What should be the default pager?
208 AS_HELP_STRING([--with-pager=PAGER],[specify the default pager]))
210 if test -n "$with_pager"; then
211 pagerpath="$with_pager"
214 dnl What should be the default mail server(s)?
215 AC_ARG_WITH(smtpservers,
216 AS_HELP_STRING([--with-smtpservers='SMTPSERVER1@<:@ SMTPSERVER2...@:>@'],
217 [specify the default SMTP server(s) @<:@localhost@:>@]))
218 if test -n "$with_smtpservers"; then
219 smtpservers="$with_smtpservers"
221 smtpservers="localhost"
223 AC_SUBST(smtpservers)dnl
225 dnl ----------------------------------------------------
226 dnl Default location is /usr/local/nmh/{bin,etc,lib,man}
227 dnl ----------------------------------------------------
228 AC_PREFIX_DEFAULT(/usr/local/nmh)
230 dnl ------------------
231 dnl CHECK THE COMPILER
232 dnl ------------------
233 dnl We want these before the checks,
234 dnl so the checks can modify their values.
235 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
236 if test x"$enable_debug" = x"yes"; then
237 test -z "$LDFLAGS" && LDFLAGS=-g
242 AC_CACHE_CHECK(whether compiler supports -Wno-pointer-sign, nmh_cv_has_noptrsign,
243 [nmh_saved_cflags="$CFLAGS"
244 CFLAGS="$CFLAGS -Wno-pointer-sign"
245 AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
246 CFLAGS="$nmh_saved_cflags"])
248 dnl if the user hasn't specified CFLAGS, then
249 dnl if compiler is gcc, then
250 dnl use -O2 and some warning flags
252 dnl We use -Wall; if the compiler supports it we also use -Wno-pointer-sign,
253 dnl because gcc 4 now produces a lot of new warnings which are probably mostly
254 dnl spurious and which in any case we don't want to deal with now.
255 if test "$nmh_cv_has_noptrsign" = "yes"; then
256 nmh_gcc_warnflags="-Wall -Wno-pointer-sign"
258 nmh_gcc_warnflags="-Wall"
261 if test -n "$auto_cflags"; then
262 if test x"$enable_debug" = x"yes"; then
263 if test -n "$GCC"; then
264 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
266 test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
269 if test -z "$LDFLAGS"; then
279 if test -n "$GCC"; then
280 test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
282 test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
287 AC_C_CONST dnl Does compiler support `const'.
289 dnl ------------------
290 dnl CHECK FOR PROGRAMS
291 dnl ------------------
292 AC_PROG_MAKE_SET dnl Does make define $MAKE
293 AC_PROG_INSTALL dnl Check for BSD compatible `install'
294 AC_PROG_RANLIB dnl Check for `ranlib'
295 AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk
296 AC_PROG_LEX dnl Check for lex/flex
299 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
300 AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
302 dnl ----------------------------------------------
303 dnl check for lclint, and lint if it doesn't exist
304 dnl ----------------------------------------------
305 AC_CHECK_PROG(linttmp1, lclint, lclint, no)dnl
306 if test x$ac_cv_prog_linttmp1 != xno ; then
307 LINT=$ac_cv_prog_linttmp1
308 LINTFLAGS="-weak +posixlib -macrovarprefixexclude"
310 AC_CHECK_PROG(linttmp2, lint, lint, no)dnl
311 if test x$ac_cv_prog_linttmp2 != xno ; then
312 LINT=$ac_cv_prog_linttmp2
315 LINT="echo 'No lint program found'"
320 AC_SUBST(LINTFLAGS)dnl
322 dnl try to figure out which one we've got
323 AC_CHECK_PROG(LIBTOOL, libtool, libtool, , [$pathtmp])
326 dnl Check for lorder and tsort commands
327 AC_CHECK_PROG(LORDER, lorder, lorder, no)dnl
328 AC_CHECK_PROG(TSORT, tsort, tsort, no)dnl
330 dnl If either doesn't exist, replace them with echo and cat
331 if test x$ac_cv_prog_LORDER != xlorder -o x$ac_cv_prog_TSORT != xtsort; then
336 dnl Mac OS X has lorder, but sh is too broken for it to work
337 dnl elif test -z "`lorder config/config.c 2>&1 | grep config/config.c`" ; then
340 dnl AC_SUBST(LORDER)dnl
341 dnl AC_SUBST(TSORT)dnl
344 dnl Check whether tsort can deal with loops
345 AC_CACHE_CHECK(whether tsort can deal with loops, nmh_cv_tsort_loop,
346 [if test -z "`echo a b b a | tsort 2>/dev/null | grep a`" ; then
349 nmh_cv_tsort_loop=yes
351 if test x$nmh_cv_tsort_loop = xno ; then
359 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
360 AC_PATH_PROG(lspath, ls, no, [$pathtmp])
362 dnl See how we get ls to display the owner and the group
363 if test "$lspath" != "no"; then
364 AC_CACHE_CHECK(how to get ls to show us the group ownership of a file,
366 [if test x"`$lspath -dl / | $AWK '{print $9}'`" = x"/"; then
367 dnl There were 9 parameters, so unless this is a really bizarre, nonstandard
368 dnl ls, it would seem -l gave us both the user and group. On this type of
369 dnl ls, -g makes _only_ the group be displayed (and not the user).
370 nmh_cv_ls_grpopt="-l"
372 dnl Looks like -l only gave us the user, so we need -g to get the group too.
373 nmh_cv_ls_grpopt="-lg"
378 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
379 AC_PATH_PROG(morepath, more, no, [$pathtmp])
381 dnl If pager is not specified yet,
382 dnl then use `more' as the default.
383 if test -z "$pagerpath"; then
384 pagerpath="$morepath"
386 AC_SUBST(pagerpath)dnl
388 dnl Look for `sendmail'
389 pathtmp=/usr/lib:/usr/sbin:/usr/etc:/usr/ucblib:/usr/bin:/bin
390 AC_PATH_PROG(sendmailpath, sendmail, /usr/sbin/sendmail, [$pathtmp])
393 pathtmp=/usr/bin:/bin:/usr/ucb:/usr/local/bin
394 AC_PATH_PROG(vipath, vi, /bin/vi, [$pathtmp])
396 dnl If editor is not specified yet,
397 dnl then use `vi' as the default.
398 if test -z "$editorpath"; then
401 AC_SUBST(editorpath)dnl
403 dnl ----------------------------------------------------------
404 dnl FIND MAIL SPOOL AND SEE IF WE NEED TO MAKE inc SETGID MAIL
405 dnl ----------------------------------------------------------
406 AC_CACHE_CHECK(where mail spool is located, nmh_cv_mailspool,
407 [for mailspool in /var/mail dnl
410 /dev/null; dnl Just in case we fall through
412 test -d $mailspool && break
414 nmh_cv_mailspool=$mailspool
416 mailspool=$nmh_cv_mailspool
417 AC_SUBST(mailspool)dnl
419 dnl See whether the mail spool directory is world-writable.
420 if test "$lspath" != "no" -a "$cutpath" != "no"; then
421 AC_CACHE_CHECK(whether the mail spool is world-writable,
422 nmh_cv_mailspool_world_writable,
423 [if test "`$lspath -dlL $mailspool | $cutpath -c9`" = "-"; then
424 nmh_cv_mailspool_world_writable=no
426 nmh_cv_mailspool_world_writable=yes
430 dnl Also, check for liblockfile (as found on Debian systems)
431 AC_CHECK_HEADER(lockfile.h, AC_CHECK_LIB(lockfile, lockfile_create) )
433 dnl and whether its companion program dotlockfile is setgid
434 AC_PATH_PROG(dotlockfilepath, dotlockfile, no)
435 if test "$ac_cv_lib_lockfile_lockfile_create" != "no" ; then
436 if test "$ac_cv_path_dotlockfilepath" != "no" ; then
437 AC_CACHE_CHECK(whether dotlockfile is setgid, nmh_cv_dotlockfile_setgid,
438 [ if test -g "$ac_cv_path_dotlockfilepath" ; then
439 nmh_cv_dotlockfile_setgid=yes
441 nmh_cv_dotlockfile_setgid=no
446 dnl If mailspool is not world-writable and dotlockfile is not setgid,
447 dnl we need to #define MAILGROUP to 1 and make inc setgid.
448 if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
449 dnl do we really need both of these?
450 AC_DEFINE(MAILGROUP,1,
451 [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
454 AC_SUBST(SETGID_MAIL)dnl
456 dnl Use ls to see which group owns the mail spool directory.
457 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
458 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
460 MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
461 AC_SUBST(MAIL_SPOOL_GRP)dnl
463 dnl ------------------
464 dnl CHECK HEADER FILES
465 dnl ------------------
467 dnl On glibc we need to define at least the '_XOPEN_SOURCE' level of features,
468 dnl or wchar.h doesn't declare a prototype for wcwidth(). But if we only define
469 dnl that level then db.h won't compile. So we define _GNU_SOURCE which turns
470 dnl on everything. Perhaps other OSes need some feature switch set to get wcwidth()
471 dnl declared; if so they should have an entry added to this case statement.
472 dnl NB that we must define this on the compiler command line, not in config.h,
473 dnl because it must be set before any system header is included and there's no
474 dnl portable way to make sure that files generated by lex include config.h
475 dnl before system header files.
479 # Like DEFS, but doesn't get stomped on by configure when using config.h:
480 OURDEFS="$OURDEFS -D_GNU_SOURCE"
491 AC_CHECK_HEADERS(string.h memory.h stdlib.h unistd.h errno.h fcntl.h \
492 limits.h crypt.h termcap.h termio.h termios.h locale.h \
493 langinfo.h wchar.h wctype.h iconv.h netdb.h \
494 sys/param.h sys/time.h sys/utsname.h sys/stream.h \
495 arpa/inet.h arpa/ftp.h)
498 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
499 dnl really use a whole set of them, but this check should be
502 AC_CHECK_HEADER(libio.h, [
503 AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
504 AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
506 AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
507 [Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
508 [[#if HAVE_SYS_STREAM_H
509 # include <sys/stream.h>
517 AC_CHECK_LIB(mkstemp,mkstemp)
518 AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
519 sighold sigrelse writev lstat uname tzset killpg mkstemp \
520 getutent nl_langinfo mbtowc wcwidth)
522 dnl sigsetjmp may be a macro
523 AC_MSG_CHECKING(for sigsetjmp)
524 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]],
525 [[sigsetjmp((void *)0, 0);]])],[AC_DEFINE(HAVE_SIGSETJMP, 1,
526 [Define to 1 if you have the `sigsetjmp'.]) AC_MSG_RESULT(yes)],
529 AC_REPLACE_FUNCS(memmove snprintf strerror strdup)
531 dnl Look for the initgroups() declaration. On AIX 4.[13], Solaris 4.1.3, and
532 dnl ULTRIX 4.2A the function is defined in libc but there's no declaration in
533 dnl any system header.
535 dnl On Solaris 2.[456], the declaration is in <grp.h>. On HP-UX 9-11 and
536 dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>. Any other locations we
538 AH_TEMPLATE(INITGROUPS_HEADER, [Define to the header containing the declaration of `initgroups'.])
539 AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
540 AC_EGREP_HEADER(initgroups, unistd.h,
541 AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
543 dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
544 dnl <stdio.h> or elsewhere. Apparently it's not officially supported (though it
545 dnl seems to work perfectly and IBM apparently uses it in internal code).
546 dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
547 dnl HAVE_SNPRINTF, we get a billion warnings at compile time. Use the C
548 dnl preprocessor to preprocess stdio.h and make sure that there's actually a
550 AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE,1,
551 [Define to 1 if <stdio.h> has a prototype for snprintf().]))
553 dnl Check for multibyte character set support
554 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
555 -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then
556 AC_DEFINE(MULTIBYTE_SUPPORT, 1,
557 [Define to enable support for multibyte character sets.])
560 dnl -------------------
561 dnl CHECK FOR LIBRARIES
562 dnl -------------------
563 dnl Check location of modf
564 AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
566 dnl Checks for network libraries (nsl, socket)
569 termcap_curses_order="termcap curses ncurses"
570 for lib in $termcap_curses_order; do
571 AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
579 dnl Find iconv. It may be in libiconv and may be iconv() or libiconv()
580 if test "x$ac_cv_header_iconv_h" = "xyes"; then
581 AC_CHECK_FUNC(iconv, ac_found_iconv=yes, ac_found_iconv=no)
582 if test "x$ac_found_iconv" = "xno"; then
583 AC_CHECK_LIB(iconv, iconv, ac_found_iconv=yes)
584 if test "x$ac_found_iconv" = "xno"; then
585 AC_CHECK_LIB(iconv, libiconv, ac_found_iconv=yes)
587 if test "x$ac_found_iconv" != "xno"; then
591 dnl Handle case where there is a native iconv but iconv.h is from libiconv
592 AC_CHECK_DECL(_libiconv_version,
593 [ AC_CHECK_LIB(iconv, libiconv, LIBS="-liconv $LIBS") ],,
594 [ #include <iconv.h> ])
597 if test "x$ac_found_iconv" = xyes; then
598 AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
601 dnl Check if iconv uses const in prototype declaration
602 if test "x$ac_found_iconv" = "xyes"; then
603 AC_CACHE_CHECK(for iconv declaration, ac_cv_iconv_const,
604 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
605 #include <iconv.h>]],
609 #if defined(__STDC__) || defined(__cplusplus)
610 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
614 [ac_cv_iconv_const=],
615 [ac_cv_iconv_const=const])])
616 AC_DEFINE_UNQUOTED([ICONV_CONST], $ac_cv_iconv_const,
617 [Define as const if the declaration of iconv() needs const.])
624 AC_ARG_WITH([ndbm],AS_HELP_STRING([--with-ndbm=ARG],[use -lARG to link with ndbm]),
625 [nmh_ndbm=$withval],[nmh_ndbm=autodetect])
626 AC_ARG_WITH([ndbmheader],AS_HELP_STRING([--with-ndbmheader=ARG],[#include <ARG> to use ndbm]),
627 [nmh_ndbmheader=$withval],[nmh_ndbmheader=autodetect])
629 if test "$nmh_ndbm" = "autodetect"; then
630 if test "$nmh_ndbmheader" != "autodetect"; then
631 AC_MSG_ERROR([must specify both --with-ndbm and --with-ndbmheader or neither])
634 dnl There are at least four implementations of ndbm, and
635 dnl several of those can be in different places at the whim
636 dnl of the system integrator. A good summary of this mess
637 dnl can be found at http://www.unixpapa.com/incnote/dbm.html
639 dnl Classic ndbm with no library required (eg NetBSD): try this
640 dnl first so we don't accidentally link in a pointless but harmless
641 dnl library in one of the later ndbm.h+libfoo tests:
642 NMH_CHECK_NDBM(ndbm.h,,,
643 dnl Berkeley DBv2 emulating ndbm: header in db.h:
644 NMH_CHECK_NDBM(db.h,db,,
645 dnl Berkeley DBv1 emulating ndbm:
646 NMH_CHECK_NDBM(ndbm.h,db,,
647 NMH_CHECK_NDBM(ndbm.h,db1,,
649 NMH_CHECK_NDBM(ndbm.h,ndbm,,
650 dnl glibc2.1 systems put db1 in a subdir:
651 NMH_CHECK_NDBM(db1/ndbm.h,db1,,
652 dnl GNU gdbm emulating ndbm, with header possibly in gdbm/
653 dnl and possibly needing gbdm_compat library:
654 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
655 NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
656 NMH_CHECK_NDBM(ndbm.h,gdbm,,
657 NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
661 dnl We don't really need to check that the user-specified values work,
662 dnl but it is a convenience to the user to bomb out early rather than
663 dnl after configure and half the compile process.
664 NMH_CHECK_NDBM([$nmh_ndbmheader],[$nmh_ndbm])
667 if test "$nmh_ndbm_found" = "no"; then
668 AC_MSG_ERROR([could not find a working ndbm library/header combination])
670 dnl Now export the lib/header to our makefile/config.h:
671 if test x"$nmh_ndbmheader" != x; then
672 AC_DEFINE_UNQUOTED(NDBM_HEADER, <$nmh_ndbmheader>,
673 [Define to the header containing the ndbm API prototypes.])
675 if test x"$nmh_ndbm" != x; then
676 NDBM_LIBS="-l$nmh_ndbm"
687 if test x"$with_hesiod" != x -a x"$with_hesiod" != x"no"; then
688 if test x"$with_hesiod" != x"yes"; then
689 HESIOD_INCLUDES="-I$with_hesiod/include"
690 HESIOD_LIBS="-L$with_hesiod/lib"
692 AC_CHECK_FUNC(res_send,
693 [AC_CHECK_LIB(hesiod, hes_resolve,
694 [HESIOD_LIBS="$HESIOD_LIBS -lhesiod"],
695 [AC_MSG_ERROR(Hesiod library not found)],
697 [AC_CHECK_LIB(hesiod, hes_resolve,
698 [HESIOD_LIBS="$HESIOD_LIBS -lhesiod -lresolv"],
699 [AC_MSG_ERROR(Hesiod library not found)],
700 $HESIOD_LIBS -lresolv)])
703 AC_SUBST(HESIOD_INCLUDES)dnl
704 AC_SUBST(HESIOD_LIBS)dnl
706 dnl --------------------
707 dnl CHECK FOR CYRUS-SASL
708 dnl --------------------
710 AS_IF([test x"$sasl_support" = x"yes"],[
711 AC_CHECK_HEADER([sasl/sasl.h], , [AC_MSG_ERROR([sasl.h not found])])
712 AC_CHECK_LIB([sasl2], [sasl_client_new], ,
713 [AC_MSG_ERROR([Cyrus SASL library not found])])])
715 dnl -----------------
716 dnl CHECK FOR OPENSSL
717 dnl -----------------
719 AS_IF([test x"$tls_support" = x"yes"],[
720 AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
721 AC_CHECK_LIB([crypto], [BIO_write], ,
722 [AC_MSG_ERROR([OpenSSL crypto library not found])])
723 AC_CHECK_LIB([ssl], [SSL_library_init], ,
724 [AC_MSG_ERROR([OpenSSL library not found])])])
726 dnl ---------------------
727 dnl CHECK TERMCAP LIBRARY
728 dnl ---------------------
730 dnl Add the termcap library, so that the following configure
731 dnl tests will find it when it tries to link test programs.
732 nmh_save_LIBS="$LIBS"
733 LIBS="$TERMLIB $LIBS"
735 dnl Checks for external variable ospeed in the termcap library.
736 AC_CACHE_CHECK(if an include file defines ospeed,
737 nmh_cv_decl_ospeed_include_defines,
738 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
744 #endif]], [[ospeed = 0;]])],
745 nmh_cv_decl_ospeed_include_defines=yes,nmh_cv_decl_ospeed_include_defines=no)])
747 if test $nmh_cv_decl_ospeed_include_defines = no; then
748 AC_CACHE_CHECK(if you must define ospeed,
749 nmh_cv_decl_ospeed_must_define,
750 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
751 [[extern short ospeed; ospeed = 0;]])],
752 nmh_cv_decl_ospeed_must_define=yes,nmh_cv_decl_ospeed_must_define=no)])
755 AH_TEMPLATE(HAVE_OSPEED, [Define to 1 if your termcap library has the ospeed variable.])
756 if test $nmh_cv_decl_ospeed_include_defines = yes; then
757 AC_DEFINE(HAVE_OSPEED)dnl
758 elif test $nmh_cv_decl_ospeed_must_define = yes; then
759 AC_DEFINE(HAVE_OSPEED)
760 AC_DEFINE(MUST_DEFINE_OSPEED, 1,
761 [Define to 1 if you have ospeed, but it is not defined in termcap.h.])
764 dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
765 dnl Some termcaps reportedly accept a zero buffer, but then dump core
767 dnl Under Cygwin test program crashes but exit code is still 0. So,
768 dnl we test for a file that porgram should create
769 AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
770 [Define to 1 if tgetent() accepts NULL as a buffer.])
771 AC_CACHE_CHECK(if tgetent accepts NULL,
772 nmh_cv_func_tgetent_accepts_null,
777 int r1 = tgetent(buf, "vt100");
778 int r2 = tgetent((char*)0,"vt100");
779 if (r1 >= 0 && r1 == r2) {
783 creat("conftest.tgetent", 0640);
785 exit((r1 != r2) || r2 == -1);
788 if test -f conftest.tgetent; then
789 nmh_cv_func_tgetent_accepts_null=yes
791 nmh_cv_func_tgetent_accepts_null=no
793 nmh_cv_func_tgetent_accepts_null=no,
794 nmh_cv_func_tgetent_accepts_null=no)])
795 if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
796 AC_DEFINE(TGETENT_ACCEPTS_NULL)
798 AC_CACHE_CHECK(if tgetent returns 0 on success,
799 nmh_cv_func_tgetent_zero_success,
804 int r1 = tgetent(buf, "!@#$%^&*");
805 int r2 = tgetent(buf, "vt100");
806 if (r1 < 0 && r2 == 0) {
810 creat("conftest.tgetent0", 0640);
815 if test -f conftest.tgetent0; then
816 nmh_cv_func_tgetent_zero_success=yes
818 nmh_cv_func_tgetent_zero_success=no
820 nmh_cv_func_tgetent_zero_success=no,
821 nmh_cv_func_tgetent_zero_success=no)])
822 AH_TEMPLATE([TGETENT_SUCCESS],
823 [Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
824 if test x$nmh_cv_func_tgetent_zero_success = xyes; then
825 AC_DEFINE(TGETENT_SUCCESS, 0)
827 AC_DEFINE(TGETENT_SUCCESS, 1)
830 dnl Now put the libraries back to what it was before we
831 dnl starting checking the termcap library.
832 LIBS="$nmh_save_LIBS"
844 dnl Check for sigset_t. Currently I'm looking in
845 dnl <sys/types.h> and <signal.h>. Others might need
847 AC_CACHE_CHECK(for sigset_t, nmh_cv_type_sigset_t,
848 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
849 #include <signal.h>]], [[sigset_t tempsigset;]])],
850 nmh_cv_type_sigset_t=yes,nmh_cv_type_sigset_t=no)])
851 if test $nmh_cv_type_sigset_t = no; then
852 AC_DEFINE(sigset_t, unsigned int,
853 [Define to `unsigned int' if <sys/types.h> or <signal.h> doesn't define.])
859 AC_CHECK_MEMBERS(struct stat.st_blksize)
861 AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,,
862 [#ifdef TIME_WITH_SYS_TIME
863 # include <sys/time.h>
866 # ifdef TM_IN_SYS_TIME
867 # include <sys/time.h>
873 AC_CHECK_MEMBERS(struct utmp.ut_type,,,[#include <utmp.h>])
875 AC_MSG_CHECKING(for union wait)
876 AC_CACHE_VAL(nmh_cv_union_wait, [dnl
877 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
878 #include <sys/wait.h>]],
879 [[union wait status; int pid; pid = wait (&status);
881 /* Some POSIXoid systems have both the new-style macros and the old
882 union wait type, and they do not work together. If union wait
883 conflicts with WEXITSTATUS et al, we don't want to use it at all. */
884 if (WEXITSTATUS (status) != 0) pid = -1;
886 /* If we have WEXITSTATUS and WTERMSIG, just use them on ints. */
887 -- blow chunks here --
891 /* Make sure union wait works with waitpid. */
892 pid = waitpid (-1, &status, 0);
895 [nmh_cv_union_wait=yes],
896 [nmh_cv_union_wait=no])])
897 if test "$nmh_cv_union_wait" = yes; then
898 AC_DEFINE(HAVE_UNION_WAIT, 1,
899 [Define to 1 if you have the \`union wait' type in <sys/wait.h>.])
901 AC_MSG_RESULT($nmh_cv_union_wait)
903 CHECK_TYPE_STRUCT_DIRENT_D_TYPE()
908 dnl What style of signal do you have (POSIX, BSD, or SYSV)?
909 AH_TEMPLATE(RELIABLE_SIGNALS, [Define to 1 if you have reliable signals.])
910 AC_MSG_CHECKING(what style of signals to use)
911 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
912 signals_style=POSIX_SIGNALS
913 AC_DEFINE(POSIX_SIGNALS, 1,
914 [Define to 1 if you use POSIX style signal handling.])
915 AC_DEFINE(RELIABLE_SIGNALS)
916 elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then
917 signals_style=BSD_SIGNALS
918 AC_DEFINE(BSD_SIGNALS,1,
919 [Define to 1 if you use BSD style signal handling (and can block signals).])
920 AC_DEFINE(RELIABLE_SIGNALS)
921 elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then
922 signals_style=SYSV_SIGNALS
923 AC_DEFINE(SYSV_SIGNALS,1,
924 [Define to 1 if you use SYSV style signal handling (and can block signals).])
926 signals_style=NO_SIGNAL_BLOCKING
927 AC_DEFINE(NO_SIGNAL_BLOCKING,1,
928 [Define to 1 if you have no signal blocking at all (bummer).])
931 AC_MSG_RESULT($signals_style)
933 dnl Where is <signal.h> located? Needed as input for signames.awk
934 AC_CACHE_CHECK(where signal.h is located, nmh_cv_path_signal_h,
935 [for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next
936 /usr/include/asm/signal.h dnl Linux 1.3.0 and above
937 /usr/include/asm/signum.h dnl some versions of Linux/Alpha
938 /usr/include/linux/signal.h dnl Linux up to 1.2.11
939 /usr/include/sys/signal.h dnl Almost everybody else
940 /dev/null; dnl Just in case we fall through
942 test -f $SIGNAL_H && \
943 grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \
946 nmh_cv_path_signal_h=$SIGNAL_H
948 SIGNAL_H=$nmh_cv_path_signal_h
949 AC_SUBST(SIGNAL_H)dnl
952 dnl OS SPECIFIC DEFINES
954 AH_TEMPLATE(SYS5, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX, SCO5; only used in vmh.c which is not built.])
955 AH_TEMPLATE(SVR4, [Defined for Solaris 2.x, Irix, OSF/1, HP-UX, AIX; only used in vmh.c which is not built.])
956 AH_TEMPLATE(BSD44, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody; only used in vmh.c which is not built.])
957 AH_TEMPLATE(BSD42, [Defined for SunOS 4, FreeBSD, NetBSD, OpenBSD, BSD/OS, Mac OS X/Rhapsody -- does PicoBSD have uname?])
958 AH_TEMPLATE(SCO_5_STDIO, [Defined for SCO5.])
999 AC_DEFINE(SCO_5_STDIO)
1004 dnl ----------------
1005 dnl OUTPUT MAKEFILES
1006 dnl ----------------
1007 AC_CONFIG_FILES(Makefile config/Makefile h/Makefile sbr/Makefile uip/Makefile \
1008 mts/Makefile mts/smtp/Makefile \
1009 etc/Makefile docs/Makefile man/Makefile)
1010 AC_CONFIG_COMMANDS([stamp],[test -z "$CONFIG_HEADERS" || echo > stamp-h])
1013 dnl These odd looking assignments are done to expand out unexpanded
1014 dnl variables in bindir et al (for instance mandir is '${datarootdir}/man',
1015 dnl but expanding that gives '${prefix}/share/man', so we need to expand
1016 dnl again to get the final answer.
1017 dnl We only use the expanded versions to print the install paths in
1018 dnl the final summary and should use them nowhere else (see the autoconf
1019 dnl docs for the rationale for bindir etc being unexpanded).
1020 eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}"
1021 eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}"
1022 eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}"
1023 eval "nmhman=${mandir}"; eval "nmhman=${nmhman}"
1026 if test x"$enable_pop" = x"yes"; then
1029 if test x"$enable_apop" = x"yes"; then
1030 pop_kinds="${pop_kinds}APOP "
1033 pop_kinds="${pop_kinds}POP3)"
1039 nmh version : AC_PACKAGE_VERSION
1040 target os : ${target}
1042 compiler flags : ${CFLAGS}
1043 linker flags : ${LDFLAGS}
1044 definitions : ${OURDEFS}
1045 source code location : ${srcdir}
1046 binary install path : ${nmhbin}
1047 library install path : ${nmhlib}
1048 config files install path : ${nmhsysconf}
1049 man page install path : ${nmhman}
1050 backup prefix : ${backup_prefix}
1051 transport system : ${MTS}
1052 file locking type : ${LOCKTYPE}
1053 default smtp servers : ${smtpservers}
1054 default editor : ${editorpath}
1055 default pager : ${pagerpath}
1056 email address masquerading : ${masquerade}
1057 pop is enabled : ${pop_kinds}
1058 SASL support : ${sasl_support}
1059 TLS support : ${tls_support}"